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Fort Collins 7-day weather forecast
Stacker created the forecast for Fort Collins, Colorado using data from OpenWeather. This week's high is 101 °F on Sunday, while the low is 59 °F on Friday. There are expected to be 5 sunny days and rain on 4 days this week.
There are currently no weather alerts.
Monday, July 21
- High of 96 °F, low of 62 °F (12% humidity)- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:47 AM, sunset at 8:25 PM
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1 / 6
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Tuesday, July 22
- High of 95 °F, low of 65 °F (17% humidity)
- Mostly sunny with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:48 AM, sunset at 8:24 PM
- Mostly sunny with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 5:48 AM, sunset at 8:24 PM

2 / 6
Leszek Glasner // Shutterstock
Wednesday, July 23
- High of 90 °F, low of 66 °F (21% humidity)
- Mostly sunny with a 78% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:49 AM, sunset at 8:24 PM
- Mostly sunny with a 78% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:49 AM, sunset at 8:24 PM

3 / 6
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Thursday, July 24
- High of 86 °F, low of 62 °F (30% humidity)
- Partly cloudy with a 95% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:50 AM, sunset at 8:23 PM
- New moon
- Partly cloudy with a 95% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:50 AM, sunset at 8:23 PM
- New moon

4 / 6
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Friday, July 25
- High of 95 °F, low of 59 °F (26% humidity)
- Sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:50 AM, sunset at 8:22 PM
- Sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:50 AM, sunset at 8:22 PM

5 / 6
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Saturday, July 26
- High of 99 °F, low of 65 °F (9% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:51 AM, sunset at 8:21 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 5:51 AM, sunset at 8:21 PM
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6 / 6
Leena Robinson // Shutterstock
Sunday, July 27
- High of 101 °F, low of 69 °F (10% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:52 AM, sunset at 8:20 PM
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:52 AM, sunset at 8:20 PM